
GRAPHICAL SYMBOLS FOR DIAGRAMS - ARCHITECTURAL AND TOPOGRAPHICAL INSTALLATION PLANS AND DIAGRAMS
出版:International Electrotechnical Committee

专家解读视频
Generating stations and substations, networks, cabled distribution systems for sound and television and installations in buildings.
NEN 10617-11 : 1996 - Identical
DIN IEC 3A-SEC-340 : DRAFT 1994 - Identical
UNE 21404-11 : 1995 - Identical
CEI EN 60617-11 : 2ED 1998 - Identical
NZS/IEC 617.11:1983 - Identical
SAC GB/T 4728.11 : 2008 - Identical